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@ARTICLE{Harder:605555,
      author       = {Harder, Constantin and Betker, Marie and Alexakis,
                      Alexandros and Bulut, Yusuf and Sochor, Benedikt and
                      Soederberg, Daniel and Malmstroem, Eva and
                      Mueller-Buschbaum, Peter and Roth, Stephan},
      title        = {{P}oly(sobrerol methacrylate) {C}olloidal {I}nks {S}prayed
                      onto {C}ellulose {N}anofibril {T}hin {F}ilms for
                      {A}nticounterfeiting {A}pplications},
      journal      = {ACS applied nano materials},
      volume       = {7},
      number       = {9},
      issn         = {2574-0970},
      address      = {Washington, DC},
      publisher    = {ACS Publications},
      reportid     = {PUBDB-2024-01506},
      pages        = {10840-10851},
      year         = {2024},
      note         = {I-20010005},
      abstract     = {The colloidal layer formation on porous materials is a
                      crucial step for printing and applying functional coatings,
                      which can be used to fabricate anticounterfeiting paper. The
                      deposition of colloidal layers and subsequent thermal
                      treatment allows for modifying the hydrophilicity of the
                      surface of a material. In the present work, wood-based
                      colloidal inks are applied by spray deposition on
                      spray-deposited porous cellulose nanofibrils (CNF) films.
                      The surface modification by thermal annealing of the
                      fabricated colloid-cellulose hybrid thin films is
                      investigated in terms of layering and hydrophobicity. The
                      polymer colloids in the inks are core–shell nanoparticles
                      with different sizes and glass transition temperatures
                      (T$_g$), thus enabling different and low thermal treatment
                      temperatures. The ratio between the core polymers,
                      poly(sobrerol methacrylate) (PSobMA), and poly(-butyl
                      methacrylate) (PBMA) determines the T$_g$ and hence allows
                      for tailoring of the T$_g$. The layer formation of the
                      colloidal inks on the porous CNF layer depends on the
                      imbibition properties of the CNF layer which is determined
                      by their morphology. The water adhesion of the CNF layer
                      decreases due to the deposition of the colloids and thermal
                      treatment except for the colloids with a size smaller than
                      the void size of the porous CNF film. In this case, the
                      colloids are imbibed into the CNF layer when T$_g$ of the
                      colloids is reached and the polymer chains transit in a
                      mobile phase. Tailored aggregate and nanoscale-embedded
                      hybrid structures are achieved depending on the colloid
                      properties. The imbibition of these colloids into the porous
                      CNF films is verified with grazing incidence small-angle
                      X-ray scattering. This study shows a route for tuning the
                      nanoscale structure and macroscopic physicochemical
                      properties useful for anticounterfeiting paper.},
      cin          = {FS-SMA / DOOR ; HAS-User / FS-PETRA-D},
      ddc          = {540},
      cid          = {I:(DE-H253)FS-SMA-20220811 / I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PETRA-D-20210408},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
                      DFG project 390776260 - EXC 2089: e-conversion (390776260) /
                      FS-Proposal: I-20191361 EC (I-20191361-EC)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
                      G:(GEPRIS)390776260 / G:(DE-H253)I-20191361-EC},
      experiment   = {EXP:(DE-H253)P-P03-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001227987300001},
      doi          = {10.1021/acsanm.4c01302},
      url          = {https://bib-pubdb1.desy.de/record/605555},
}